GE Dash 8-40CM

Last updated
GE C40-8M
CN Loco No.2442.jpg
CN 2442, a Dash 8-40CM, leads a train eastbound into Battle Creek, Michigan in 2009.
Type and origin
Power type Diesel-electric
Builder GE Transportation Systems
ModelC40-8M
Build dateMarch 1990 March 1994
Specifications
Configuration:
   AAR C-C
Gauge 4 ft 8+12 in (1,435 mm)
Career
OperatorsSee table
Locale North America, Canada
DispositionMost retired, QNSL units scrapped, 1 preserved

The GE C40-8M is a 6-axle diesel locomotive built by GE Transportation Systems from 1990 to 1994. It is part of the GE Dash 8 Series of freight locomotives, and is often referred to as a Dash 8-40CM.

Contents

Mechanically identical to the Dash 8-40CW, the Dash 8-40CM was constructed only for Canadian railways, with a production total of 84 units. It is distinguished from the Dash 8-40CW by the addition of a full-width "Draper Taper" style cowl body, of which they are the last locomotives built with this feature, and the use of a Canadian-specific nose and windshield configuration. The trucks also differ; all units built ride on Dofasco Hi-Ad trucks identical to locomotives built by Montreal Locomotive Works, Bombardier, and Morrison-Knudsen.

Technical

The Dash 8-40CM is powered by a 4,000-horsepower (3,000 kW) 7FDL-16 diesel engine driving a GE GMG187 main alternator. The power generated by the main alternator drives six GE 752AG or 752AH direct current traction motors, each with a gear ratio of 83:20 and connected to 40-inch (1,000 mm) wheels which allow the Dash 8-40CM a maximum speed of 70 mph (110 km/h).

Depending on customer options, the Dash 8-40CM carries approximately 5,000 US gallons (19,000 L) of diesel fuel, 410 US gallons (1,600 L) of lubricating oil, and 380 US gallons (1,400 L) of coolant. Like most North American diesel locomotives, the Dash 8-40CM uses normal water for cooling. The Dash 8-40CM has a tractive effort rating of 108,600 lbf (483,000 N) at 11 mph (18 km/h). Overall dimensions for the Dash 8-40CM are 70 ft 8 in (21.54 m) in Length, 15 ft 4 in (4.67 m) in height and 10 ft 2 in (3.10 m) in width.

Original owners

RailroadQuantityRoad numbersNotes
BC Rail 264601-4626 [1] To CN with BCOL reporting marks. All have cab bell. 4609 is the last one in service. 4618 preserved at Alberta Railway Museum
Canadian National Railway 552400-2454 [2] First 30 ordered have high mount cab bell. None are left in service
Quebec North Shore and Labrador Railway 3401-403 [3] Sold to AEX. AEX renumbered them to 100017-100019. Scrapped in 2016

Preservation

See also

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References

Notes

  1. BCOL Locomotive Roster
  2. CN Locomotive Roster
  3. "QNSL Locomotive Roster". Archived from the original on 2010-10-14. Retrieved 2010-01-13.
  4. Franchuk, Kevin (2023-10-06). "Canadian National donates 'Draper Taper' unit to museum". www.trains.com. Retrieved 2023-10-18.

Further reading